Scope
Description
The Crown Estate (TCE) is seeking to establish a contract with a single supplier to provide specific services to support the delivery of Ecological surveys for the next offshore wind leasing round.
The purpose of this tender is to provide TCE with an efficient way to call off future requirements for Ecological services. This will avoid individual tenders being issued as required and Tenderers having to invest time in bidding for multiple tenders.
When the contract is let to a single supplier, Individual Work Orders will be issued using structured call offs, with each detailing the specific scope, activities, deliverables and timelines.
Scope Of Services Under The Contract
1.1 Evidence & Engagement Plan
1.2 Survey Design And Implementation
1.3 Contractor Procurement
1.4 Contractor Management
1.5 Data Management, Interpretation And Reporting
1.6 Marine Consenting Advice
1.7 Stakeholder Engagement
1.8 Ad Hoc Tasks
Contract 1. Ecological Surveys Advisor
Supplier
Contract value
- £2,500,000 excluding VAT
- £3,000,000 including VAT
Above the relevant threshold
Date signed
28 October 2025
Contract dates
- 29 October 2025 to 28 October 2028
- Possible extension to 28 October 2029
- 4 years
Description of possible extension:
This a 36 month single supplier framework with the option to extend for a further 12 months at the sole discretion of The Crown Estate.
Main procurement category
Services
CPV classifications
- 71313000 - Environmental engineering consultancy services
- 71354500 - Marine survey services
Justification for not setting key performance indicators
Below 5m
Other information
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Open procedure
Supplier
Tetra Tech Limited
- Companies House: 01959704
- Public Procurement Organisation Number: PYMX-4347-BVYM
3 Sovereign Square
Leeds
LS1 4ER
United Kingdom
Email: julia.free@tetratech.com
Website: http://www.tetratecheurope.com
Region: UKE42 - Leeds
Small or medium-sized enterprise (SME): No
Voluntary, community or social enterprise (VCSE): No
Supported employment provider: No
Public service mutual: No
Contract 1. Ecological Surveys Advisor
Contracting authority
The Crown Estate
- Public Procurement Organisation Number: PYYN-4743-GYVQ
1 St James Market
London
SW1Y 4AH
United Kingdom
Email: tenders@thecrownestate.co.uk
Region: UKI32 - Westminster
Organisation type: Public authority - central government